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Fujitsu R407C

Fujitsu R407C
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ERROR
ERROR CONTENTS
1C
1. Error occurrence condition
Communication between
transmission adapter and
control panel is not
performed correctly.
2. Relevant operation
Error display. Only error
code display operation can
be performed. Other
operations are ineffective.
3. Clearance
The communication
between transmission
adapter and operation panel
is performed correctly.
CAUSE
COUNTERMEASURE
1-1. Check error continuity.
1) If error is cleared automatically,
printed circuit board is normal. Then,
remove noise sources near central
remote controller.
2) If error isn't cleared automatically,
check following.
1-2. After ACL key is pressed, RESET
key on control board of transmission
adaptor is pressed, or power is
turned on again :
1) If error doesn't occur, printed circuit
board is normal. Then, remove noise
sources near central remote controller.
2) If error occurs again, remove noise
sources and take measure with the
following countermeasure No.2,3,4.
1. Effect of extraneous noise
Connection
error
2. Communication line between
transmission adapter and
control panel connection is
faulty or disconnecting.
2. Check if communication line between
transmission adapter and control
panel is disconnected or the other
problem for connection occurs.
3. Communication parameter
setting error.
3. Check setting of DIP-SW1-1 7 on
control panel and DIP-SW2-1 4
and DIP-SW3-1 3 on transmission
adapter printed circuit board.
4. Printed circuit board is faulty.
4. Replace printed circuit boards with
following procedure and confirm the
operation.
1 Replace Transmission adaptor control
board.
2 Replace Control panel printed circuit
board.
ERROR
CODE
05-30

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